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BTC $76,344.10 +0.18%
ETH $2,325.44 +0.05%
BNB $632.73 +0.18%
XRP $1.43 +0.08%
SOL $86.37 +0.71%
TRX $0.3330 +1.34%
DOGE $0.0952 -0.53%
ADA $0.2499 +0.40%
BCH $449.15 +1.03%
LINK $9.42 +0.79%
HYPE $39.95 -1.43%
AAVE $91.97 -0.14%
SUI $0.9506 +0.12%
XLM $0.1800 +2.75%
ZEC $318.36 +0.01%

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Coinbase: Ethereum, Solana, and other PoS chains may face quantum risks

According to Decrypt, Coinbase's Quantum Computing and Blockchain Independent Advisory Committee released a report on Tuesday stating that proof-of-stake (PoS) blockchains may face a greater risk of exposure to future quantum computing attacks, as the cryptography relied upon by the validator signatures that protect these networks could ultimately be cracked by sufficiently powerful quantum computers. The report points out that PoS networks like Ethereum and Solana rely on cryptographic signatures—Ethereum validators use BLS signatures, while Solana validators and users use Ed25519 signatures—to help the network reach consensus on blocks and maintain consensus.The advisory committee stated, "PoS chains have exposure risks in the signature schemes used by validators to protect the network, which means that the challenges faced by PoS are not just about upgrading wallets; parts of the core consensus mechanism itself may need to be redesigned." The report mentioned recent work by Ethereum developers, including a proposal by co-founder Vitalik Buterin in February to replace BLS validator signatures, KZG commitments, and ECDSA wallet signatures with quantum-resistant alternatives.The committee also listed the digital signatures used in cryptocurrency wallets as another major long-term vulnerability, estimating that about 6.9 million bitcoins belong to the category where the public keys are already visible on-chain. The report stated that the current cryptocurrency system remains secure, as quantum computers capable of breaking modern cryptographic signatures do not yet exist.

first_img Vitalik Buterin: Ethereum does not pursue speed but aims to become the safest chain, achieving ZKVM dominant verification before 2028

ChainCatcher reports live from the 2026 Hong Kong Web3 Carnival, where Ethereum co-founder Vitalik Buterin delivered a keynote speech. He defined Ethereum by two core functions: first, as a public bulletin board for applications to publish messages and data; second, as shared digital objects controlled by code, encompassing assets, NFTs, ENS, and DAOs. He emphasized that Ethereum's goal is not to compete with high-frequency trading platforms on speed, but to become the most secure, decentralized, and always-online trusted chain.Regarding the short-term roadmap, he introduced the account abstraction proposal EIP-8141, which natively supports smart contract wallets, quantum-resistant signature algorithms, and privacy protocols; in terms of quantum resistance, there are currently two signature schemes based on hash and lattice, and the team is significantly enhancing their efficiency through EVM vectorization.He revealed that ZKVM is fast enough to prove real-time EVM execution, with this year's goal being to ensure its security, planning to start deployment from a small proportion of the network, aiming to become the primary method of validation by 2028, allowing Ethereum to scale significantly without sacrificing decentralization. In terms of long-term vision, Ethereum is actively utilizing AI to generate mathematical proofs to formalize software security verification, pursuing complete quantum safety and maximum simplicity to ensure platform security does not rely on the continuous existence of any single team.
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